senke b406d8a1a1 [FE-TYPE-001] fe-type: Fix all ID type mismatches ... - Created ID normalization utility (idNormalization.ts) with: * normalizeId: Convert IDs to strings (handles number/string/null) * normalizeObjectIds: Recursively normalize IDs in objects * normalizeArrayIds: Normalize IDs in arrays of objects * Type guards for ID validation - Updated stores/chat.ts to use normalization instead of manual String() conversions - Fixed type definitions: * PlaylistAnalytics: playlistId number -> string * ImportPlaylistButton: playlistId number -> string * ExportPlaylistButton: playlistId number -> string * usePlaylistNotifications: lastNotificationId number -> string - Removed unnecessary String() conversions in comparisons - Comprehensive test suite (20 tests, all passing) - Ensures all IDs are consistently strings (UUIDs) throughout the app		2025-12-25 14:27:28 +01:00
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web	[FE-TYPE-001] fe-type: Fix all ID type mismatches	2025-12-25 14:27:28 +01:00